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Mars Surveyor 98 Update - July 1, 1999

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  • Frits Westra
    MARS SURVEYOR 98 MISSION STATUS July 01, 1999Mars Climate Orbiter (MCO)The MCO spacecraft experienced a quiet week of cruise operation, as the bulk of the
    Message 1 of 1 , Jul 2 3:59 AM
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      MARS SURVEYOR 98 MISSION STATUS
      July 01, 1999

      Mars Climate Orbiter (MCO)

      The MCO spacecraft experienced a quiet week of cruise operation, as
      the bulk of the flight team was involved in the first MPL Operational
      Readiness Test. The all-stellar attitude determination and control
      system continues to perform well since its activitation last week.

      Mars Polar Lander (MPL)

      Yesterday, the flight team successfully executed its first Operational
      Readiness Test (ORT) for the critical Entry/Descent/Landing (EDL)
      phase. The MPL simulator executed the proto-flight EDL master sequence
      over a 29 hour run spanning Tuesday (Jun. 29) and Wednesday (Jun. 30),
      reaching a soft landing at appproximately 14:35 PDT, with the flight
      team following the simulator's progress as it approached Mars and
      sending planned commands to the simulator at the appropriate times.
      The exercise concluded with the initial post-landed tracking pass and
      spacecraft checkout, which completed successfully 45 minutes after the
      simulated landing. Next week the team begins preparations for its
      second ORT, which will cover MPL, MCO, DS2 microprobes, and Mars
      Global Surveyor activities during the first few days of the lander's
      surface mission.

      For more information on the Mars Surveyor 98 mission, please visit our
      website at:

      http://mars.jpl.nasa.gov/msp98
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